body{
	margin: 0px;
	padding: 0px;
	background-color: #E6E6E6;
}
.navigation{
	width:100%;
	height: 2.5em;
	background-color: #363534;
	position: fixed;
	color: #FFFFFF;
}

.footer{
	width: 100%;
	height: 200px;
	background-color: #363534;
	
}
div.tab{  
    width: 100px;
    text-align:center;
    
    float: left;  
    margin: 1em 0.5em 0.5em 0.5em;
}
.navigation .first_tab {
	margin-left: 200px;
}
.navigation .tab_message{
	float: right;
	margin-right: 30px;
}
.navigation .tab_login{
	float: right;
}

.navigation .nonlogin{
	display: block;
}
.navigation .haslogin{
	
	display: none;
}